F9 4702 then DL 503 at Atlanta
Austin → Atlanta → Portland (Oregon)
Timetable, Atlanta time
18:05F9 4702 from Austin at the gate
16:59DL 503 to Portland (Oregon) leaves the gate
22 h 54 apart on the timetable, overnight
DL 503 leaves 22 h 54 after F9 4702 arrives on the timetable: more than half a day, so not a connection we count.